APBTs have a much wider phenotypical range, since the primary breeding goal, until fairly recently, has been not to produce a dog with a certain «look» but to produce one capable of winning pit contests, in which the looks of a dog counted for nothing. (nyx.net)
Many of these newcomers did not adhere to the traditional breeding goals of the old - time APBT breeders. (nyx.net)
Since 1936, due to different breeding goals, the American Staffordshire Terrier and the American Pit Bull Terrier have diverged in both phenotype and spirit / temperament, although both, ideally, continue to have in common an easy - going, friendly disposition. (nyx.net)